Sudoku Difficult To The Max: Hard Sudoku Edition Vol 2 - Paperback

by Puzzle Comet (Author)

You need more than just one book of Sudoku Difficult to Max to satisfy that curious mind. So here's another volume just for you. Playing the game is not only entertaining, it is also brain boosting. Sudoku stimulates your mind because it practices your logical thinking and number skills. If you play against the clock, your sense of time improves, too! Play today!